Home / 51,320.79-77,375.97-50,402.25

Finding the Fourth Proportional to 51,320.79, 77,375.97 and 50,402.25

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Solution

The fourth proportional to 51,320.79, 77,375.97 and 50,402.25 is: 75,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.79 : 77,375.97 = 50,402.25 : x
  2. Step 2: Convert to fraction form
    51,320.79/77,375.97 = 50,402.25/x
  3. Step 3: Cross multiply
    51,320.79x = 77,375.97 × 50,402.25
  4. Step 4: Simplify right side
    51,320.79x = 3,899,922,983.93
  5. Step 5: Solve for x
    x = 3,899,922,983.93/51,320.79
  6. Step 6: Final answer
    x = 75,991.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.